add encoder support and tests for rdtscp
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96076 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index 9f50178..5111719 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -279,6 +279,7 @@
MRM_E8 = 39,
MRM_F0 = 40,
MRM_F8 = 41,
+ MRM_F9 = 42,
FormMask = 63,
diff --git a/lib/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp
index 1dc592c..2c7b9d8 100644
--- a/lib/Target/X86/X86MCCodeEmitter.cpp
+++ b/lib/Target/X86/X86MCCodeEmitter.cpp
@@ -617,6 +617,10 @@
EmitByte(BaseOpcode, CurByte, OS);
EmitByte(0xF8, CurByte, OS);
break;
+ case X86II::MRM_F9:
+ EmitByte(BaseOpcode, CurByte, OS);
+ EmitByte(0xF9, CurByte, OS);
+ break;
}
// If there is a remaining operand, it must be a trailing immediate. Emit it